When my son turned 3 we designed the first t-shirt together. You can find it here.
It has since then become a tradition for the two of us. He can give me all the details he wants and I make the shirt. He turned 11 today and it’s still important to him that we stick to this agreement.
This year‘s theme was prime numbers. He wanted a large 11 on his chest and several other prime numbers around it.
Here’s what I came up with: